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What is strontium ranelate?

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In Australia and some countries in Europe, a form of strontium called strontium ranelate (Osseor, Protelos) is available as a prescription medication to treat and prevent osteoporosis and bone fractures. But the FDA hasn’t approved it for sale in the U.S., and it’s different from the forms of strontium that come in supplements that are available in the U.S..

The drug makes your bones stronger and lowers your chances of getting fractures. Doctors aren’t sure exactly how it works, but it seems to help the body make more bone and keep the bone you have from breaking down.

From: Strontium for Osteoporosis WebMD Medical Reference

SOURCES:

National Osteoporosis Foundation Clinical Updates: "Over-the-Counter Products & Osteoporosis: Case Discussions."

UC Davis School of Medicine: "Strontium Citrate for Osteoporosis Prevention Evaluation (SCOPE)."

Beth Israel Deaconess Medical Center: "Strontium."

Human Nutrition, Food & Animal Sciences, University of Hawaii at Manoa: "European strontium drug spurs supplement sales in U.S."

European Medicines Agency: “Osseor.”

National Osteoporosis Society: “Drug treatments for osteoporosis: strontium ranelate (Protelos).”

Reviewed by David Zelman on December 14, 2018

SOURCES:

National Osteoporosis Foundation Clinical Updates: "Over-the-Counter Products & Osteoporosis: Case Discussions."

UC Davis School of Medicine: "Strontium Citrate for Osteoporosis Prevention Evaluation (SCOPE)."

Beth Israel Deaconess Medical Center: "Strontium."

Human Nutrition, Food & Animal Sciences, University of Hawaii at Manoa: "European strontium drug spurs supplement sales in U.S."

European Medicines Agency: “Osseor.”

National Osteoporosis Society: “Drug treatments for osteoporosis: strontium ranelate (Protelos).”

Reviewed by David Zelman on December 14, 2018

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What are the risks of strontium, and who is not allowed to take it?

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